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- 저자 : Cemre Nur Kuyucak (검색결과 2 건)
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Ahu Demiroz Gun,Cemre Nur Kuyucak 한국섬유공학회 2022 Fibers and polymers Vol.23 No.1
In this research, the performance properties of plain knitted fabrics made from open end recycled and virgin acrylicyarns are comparatively investigated, together with the effects of added covered and PBT elastic yarns. The previous studiesabout the recycling of textile wastes and their usage were mainly focussed on waste type including cotton fibre. Althoughacrylic textile wastes constitute one of the most common recycled waste types after cotton wastes, there have been no studieson the usage of this type of waste as a fabric form in the literature. The recycled acrylic yarn is spun from 100 % acrylic fibrewastes subjected to mechanical recycling process of garneting. Covered and PBT elastic yarns are incorporated to give anadded value to the recycled acrylic fabrics. The experimental and statistical results reveal that the fibre type (acrylic wastefibre and virgin acrylic fibre) and the elastic yarn state (addition and type) parameters affect all the performance properties ofthe fabrics significantly. The recycled acrylic fabrics exhibit higher thickness, pilling tendency, abrasion resistance andcoursewise extension results and lower bursting strength results than the corresponding virgin acrylic fabrics. As far as theelastic yarn state is considered, it is observed that the fabrics with the covered yarn reveal the highest stitch density, mass,thickness and walewise extension results, followed by the fabrics with the PBT yarn. The highest bursting strength and thelowest pilling tendency results are obtained for the fabrics with the PBT yarn. Addition of the elastic yarn improves theabrasion resistance of the recycled and virgin acrylic fabrics. No statistically significant difference is found between theabrasion results of the recycled acrylic fabrics with the covered yarn and the PBT yarn.
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Ahu Demiroz Gun,Cemre Nur Kuyucak 한국섬유공학회 2022 Fibers and polymers Vol.23 No.9
The objective of this work is to evaluate the thermo-physiological comfort performance properties of the recycledacrylic plain knitted fabrics produced from recycled open end yarn including acrylic waste fiber in comparison with those ofequivalent virgin acrylic counterparts, considering the effects of incorporated covered and PBT elastic yarns. Acrylic fiber ischaracterized by possessing wool-like handle and thermal comfort characteristics, which makes acrylic waste fiber goodcandidate for sweater-like knitted fabric applications worn in cold weather conditions. Covered polyester/lycra and PBTelastic yarns are included into the study to give added value to the recycled fabrics. Comparing the thermo-physiologicalproperties of the recycled and virgin acrylic fabrics, it is observed that in the recycled acrylic fabrics, thermal conductivityand thermal absorptivity are found to be lower, whereas thermal resistance is higher. These thermal values make recycledacrylic fabrics appropriate for cold weather. Regarding to elastic yarn state, the addition of either the covered yarn or the PBTyarn leads to increase in the thermal conductivity, thermal resistance and thermal absorptivity properties and the covered yarntends to affect the thermal parameters more than the PBT yarn. The lowest air permeability and water vapor permeabilityresults are achieved for the fabrics with the covered yarn.
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